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/**
* @file
*
* @brief Broadcast a Message to the Message Queue
* @ingroup ScoreMessageQueue
*/
/*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/coremsgimpl.h>
#include <rtems/score/objectimpl.h>
CORE_message_queue_Status _CORE_message_queue_Do_broadcast(
CORE_message_queue_Control *the_message_queue,
const void *buffer,
size_t size,
#if defined(RTEMS_MULTIPROCESSING)
Thread_queue_MP_callout mp_callout,
Objects_Id mp_id,
#endif
uint32_t *count,
ISR_lock_Context *lock_context
)
{
Thread_Control *the_thread;
uint32_t number_broadcasted;
if ( size > the_message_queue->maximum_message_size ) {
_ISR_lock_ISR_enable( lock_context );
return CORE_MESSAGE_QUEUE_STATUS_INVALID_SIZE;
}
number_broadcasted = 0;
_CORE_message_queue_Acquire_critical( the_message_queue, lock_context );
while (
( the_thread =
_CORE_message_queue_Dequeue_receiver(
the_message_queue,
buffer,
size,
mp_callout,
mp_id,
0,
lock_context
)
)
) {
number_broadcasted += 1;
_CORE_message_queue_Acquire( the_message_queue, lock_context );
}
_CORE_message_queue_Release( the_message_queue, lock_context );
*count = number_broadcasted;
return CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL;
}
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